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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
17/05/2023 |
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Autoria: |
PRICE, E. O.; WALLACH, S. J. R.; DALLY, M. R. |
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Título: |
Effects of sexual stimulation on the sexual performance of rams. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Applied Animal Bhaviour Science, v. 30, n. 3/4, p. 333-340, 1991. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The sexual performance of bulls and male goats is improved if they are allowed to view the hetero-sexual behavior of other males as a prelude to mating. The purpose of the following study was to determine whether sexual stimulation enhances the sexual performance of rams. In Experiment 1, 11 sexually experienced ram lambs (∼ 9 months of age) and 18 sexually experienced yearling and 2-year-old rams were individually exposed to 4 unrestrained, hormone-induced estrous ewes for 60 min after viewing the courtship and mounting behaviors of a male conspecific for 20 min (two tests) and in the absence of stimulator animals (two tests). In contrast to the results with bulls and bucks, the rams were hardly influenced by the sexual stimulation treatment. Latencies for first mount and first ejaculation were shorter for sexually stimulated ram lambs; otherwise, treatment differences were negligible. A similar follow-up experiment was administered to 12 mature rams using restrained females in the sexual performance tests. Again, treatment differences were minor. It was concluded that sexual stimulation does not functionally enhance the sexual performance of rams. Species differences in response to sexual stimulation are discussed in terms of female sexual behaviors that may result in a selective (competitive) advantage to males that are stimulated to locate and mate with females early in the estrous period. |
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Palavras-Chave: |
Macho. |
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Thesagro: |
Comportamento Sexual; Ovino; Reprodução. |
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Thesaurus Nal: |
Reproduction; Sexual behavior; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02059naa a2200229 a 4500
001 1521403
005 2023-05-17
008 1991 bl uuuu u00u1 u #d
100 1 $aPRICE, E. O.
245 $aEffects of sexual stimulation on the sexual performance of rams.$h[electronic resource]
260 $c1991
520 $aAbstract: The sexual performance of bulls and male goats is improved if they are allowed to view the hetero-sexual behavior of other males as a prelude to mating. The purpose of the following study was to determine whether sexual stimulation enhances the sexual performance of rams. In Experiment 1, 11 sexually experienced ram lambs (∼ 9 months of age) and 18 sexually experienced yearling and 2-year-old rams were individually exposed to 4 unrestrained, hormone-induced estrous ewes for 60 min after viewing the courtship and mounting behaviors of a male conspecific for 20 min (two tests) and in the absence of stimulator animals (two tests). In contrast to the results with bulls and bucks, the rams were hardly influenced by the sexual stimulation treatment. Latencies for first mount and first ejaculation were shorter for sexually stimulated ram lambs; otherwise, treatment differences were negligible. A similar follow-up experiment was administered to 12 mature rams using restrained females in the sexual performance tests. Again, treatment differences were minor. It was concluded that sexual stimulation does not functionally enhance the sexual performance of rams. Species differences in response to sexual stimulation are discussed in terms of female sexual behaviors that may result in a selective (competitive) advantage to males that are stimulated to locate and mate with females early in the estrous period.
650 $aReproduction
650 $aSexual behavior
650 $aSheep
650 $aComportamento Sexual
650 $aOvino
650 $aReprodução
653 $aMacho
700 1 $aWALLACH, S. J. R.
700 1 $aDALLY, M. R.
773 $tApplied Animal Bhaviour Science$gv. 30, n. 3/4, p. 333-340, 1991.
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